Home / 69,539.38-95,966.20-39,329.21

Finding the Fourth Proportional to 69,539.38, 95,966.20 and 39,329.21

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Solution

The fourth proportional to 69,539.38, 95,966.20 and 39,329.21 is: 54,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,539.38 : 95,966.20 = 39,329.21 : x
  2. Step 2: Convert to fraction form
    69,539.38/95,966.20 = 39,329.21/x
  3. Step 3: Cross multiply
    69,539.38x = 95,966.20 × 39,329.21
  4. Step 4: Simplify right side
    69,539.38x = 3,774,275,121.78
  5. Step 5: Solve for x
    x = 3,774,275,121.78/69,539.38
  6. Step 6: Final answer
    x = 54,275.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.